<template>
    <!-- 商品分类导航 -->
        <div class="type-nav">
            <div class="container">
								<div class="nav-left">
									<h2 class="all">全部商品分类</h2>
									<div class="sort">
                    <div class="all-sort-list2">
                        <div class="item" @click="btnSeach" v-for="c1 in categoryList.slice(0,-2)" :key="c1.categoryId">
                            <h3>
                                <a data-level="1" :data-id="c1.categoryId" :data-name="c1.categoryName" href="javascript:;">{{c1.categoryName}}</a>
                            </h3>
                            <div class="item-list clearfix">
                                <div class="subitem">
                                    <dl class="fore" v-for="c2 in c1.categoryChild" :key="c2.categoryId">
                                        <dt>
                                            <a data-level="2" :data-id="c2.categoryId" :data-name="c2.categoryName" href="javascript:;">{{c2.categoryName}}]</a>
                                        </dt>
                                        <dd>
                                            <em v-for="c3 in c2.categoryChild" :key="c3.categoryId">
                                                <a data-level="3" :data-id="c3.categoryId" :data-name="c3.categoryName" href="javascript:;">{{c3.categoryName}}</a>
                                            </em>
                                           
                                        </dd>
                                    </dl>
                                </div>
                            </div>
                        </div>
                        
                    </div>
                	</div>
								</div>
                <nav class="nav">
                    <a href="###">服装城</a>
                    <a href="###">美妆馆</a>
                    <a href="###">尚品汇超市</a>
                    <a href="###">全球购</a>
                    <a href="###">闪购</a>
                    <a href="###">团购</a>
                    <a href="###">有趣</a>
                    <a href="###">秒杀</a>
                </nav>
            </div>
        </div>

</template>

<script>
// import ajax from '@/api/ajax'
 import {reqCategoryListData} from '../../../api'
import { mapState } from 'vuex'

export default {
  name:"TypeNav",
  methods:{
    btnSeach(e) {
      // this.$router.push('/search')
      let { level, id, name } = e.target.dataset
      if (!level) return // 不要往下执行了  排除为空的跳转

      // this.$router.push('/search')
    //   console.log(e.target)
    //   console.log(e.target.dataset) // 获取所有的data-开头的自定义属性的值

      // 跳转时要携带参数
      // const obj = {
      //   categoryName: name,
      //   ['category' + level + 'Id']: id
      // }
      // this.$router.push({
      //   name: 'search',
      //   query: obj
      // })

      this.$router.push({
        name: 'search',
        query: {
          categoryName: name,
          ['category' + level + 'Id']: id
        }
      })
    } 
  },
  computed:{
     ...mapState(['categoryList'])
  },
  
  mounted(){
    // 当组件挂载完毕，发送请求，获取三级导航的数据
    // 这是生命周期的钩子函数，一上来就加载
    //发送请求，获取对应的数据
    // ajax.get('/product/getBaseCategoryList').then(
    // reqCategoryListData().then(
    //     result=>console.log(result),
    //     error=>console.log(error.message)
    // )
     // 使用Vuex的方式来存储数据，得先在此处dispatch
    this.$store.dispatch('getCategoryList')
  },
}
</script>

<style lang="less" scoped>
.type-nav {
        border-bottom: 2px solid #e1251b;

        .container {
            width: 1200px;
            margin: 0 auto;
            display: flex;
            position: relative;

            .all {
                width: 210px;
                height: 45px;
                background-color: #e1251b;
                line-height: 45px;
                text-align: center;
                color: #fff;
                font-size: 14px;
                font-weight: bold;
            }

            .nav {
                a {
                    height: 45px;
                    margin: 0 22px;
                    line-height: 45px;
                    font-size: 16px;
                    color: #333;
                }
            }

            .sort {
                position: absolute;
                left: 0;
                top: 45px;
                width: 210px;
                height: 461px;
                position: absolute;
                background: #fafafa;
                z-index: 999;

                .all-sort-list2 {
                    .item {
                        h3 {
                            line-height: 30px;
                            font-size: 14px;
                            font-weight: 400;
                            overflow: hidden;
                            padding: 0 20px;
                            margin: 0;

                            a {
                                color: #333;
                            }
                        }

                        .item-list {
                            display: none;
                            position: absolute;
                            width: 734px;
                            min-height: 460px;
                            background: #f7f7f7;
                            left: 210px;
                            border: 1px solid #ddd;
                            top: 0;
                            z-index: 9999 !important;

                            .subitem {
                                float: left;
                                width: 650px;
                                padding: 0 4px 0 8px;

                                dl {
                                    border-top: 1px solid #eee;
                                    padding: 6px 0;
                                    overflow: hidden;
                                    zoom: 1;

                                    &.fore {
                                        border-top: 0;
                                    }

                                    dt {
                                        float: left;
                                        width: 54px;
                                        line-height: 22px;
                                        text-align: right;
                                        padding: 3px 6px 0 0;
                                        font-weight: 700;
                                    }

                                    dd {
                                        float: left;
                                        width: 415px;
                                        padding: 3px 0 0;
                                        overflow: hidden;

                                        em {
                                            float: left;
                                            height: 14px;
                                            line-height: 14px;
                                            padding: 0 8px;
                                            margin-top: 5px;
                                            border-left: 1px solid #ccc;
                                        }
                                    }
                                }
                            }
                        }

                        &:hover {
                            .item-list {
                                display: block;
                            }
                        }
                    }
                }
            }
        }
    }
</style>